Table 1
Atomic parameters of the used spectral lines.
| λ0b | Specie | Electron Conf.b | geff | χlowb | log(gf) | σ | α |
|---|---|---|---|---|---|---|---|
| [Å] | [eV] | [ ] |
|||||
| 15 648.518 | Fe I | 7D1–7D1 | 3.0 | 5.426 | –0.669b | 975b | 0.229b |
| 15 652.874 | Fe I | 7D5–7D4.5f[3.5]0 | 1.45 | 6.246 | –0.095b | 1427b | 0.330b |
| 15 662.018 | Fe I | 5F5–5F4 | 1.5 | 5.830 | 0.190c | 1197c | 0.240c |
Notes.σ and α represent the cross-section (in units of Bohr’s radius squared 
) and velocityparameter of the atom undergoing the transition, respectively, for collisions with neutral atoms under the ABO theory (Anstee & O’Mara 1995; Barklem & O’Mara 1997; Barklem et al. 1998) (a) Values taken from Nave et al. (1994). (b)Values taken from Borrero et al. (2003). (c)Values taken from Bloomfield et al. (2007).
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